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When engine is cold there is horsepower but when the engine is hot there is no horsepower?
Wiki User
∙ 11y ago
I would say that maybe your compression may be low. check that. The hotter the engine gets the less compression there is. maybe your engine is heating up too much, because your thermostat might not be operating right.
--- Yes, check the compression when it is cold and then again after hot. It could be leaking in the heads or valve train when it heats up. Metal expands when hot.
Wiki User
∙ 11y ago
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